CA2693097A1 - Systeme de detecteur et procede pour detecter ou determiner un gaz specifique dans un melange de gaz - Google Patents

Systeme de detecteur et procede pour detecter ou determiner un gaz specifique dans un melange de gaz Download PDF

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Publication number
CA2693097A1
CA2693097A1 CA2693097A CA2693097A CA2693097A1 CA 2693097 A1 CA2693097 A1 CA 2693097A1 CA 2693097 A CA2693097 A CA 2693097A CA 2693097 A CA2693097 A CA 2693097A CA 2693097 A1 CA2693097 A1 CA 2693097A1
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CA
Canada
Prior art keywords
detector
gas
control unit
specific
concentration
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Granted
Application number
CA2693097A
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English (en)
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CA2693097C (fr
Inventor
Sigurd T. Moe
Niels Peter Oestboe
Knut Sandven
Hakon Sagberg
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Draeger Safety AG and Co KGaA
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Individual
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Publication of CA2693097A1 publication Critical patent/CA2693097A1/fr
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Publication of CA2693097C publication Critical patent/CA2693097C/fr
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • G01N33/0032—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array using two or more different physical functioning modes
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G08B21/16—Combustible gas alarms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
    • G01N2021/1704—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids in gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Biochemistry (AREA)
  • Business, Economics & Management (AREA)
  • Toxicology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Emergency Management (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Emergency Alarm Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

L'invention concerne un système de détection de gaz pour mettre en uvre une détection de gaz d'une manière précise et fiable, mais en même temps sans consommer trop d'énergie, qui comprend de manière générale une paire constituée de deux détecteurs de gaz différents. Le premier détecteur (DLP) fonctionne sans interruption et capte essentiellement un changement non spécifique dans le mélange local de gaz. En réaction au changement, le second détecteur (DHP) de la paire est activé. Ce détecteur (DHP) réalise une détermination de la concentration d'un gaz spécifique ou de plusieurs gaz spécifiques. Le second détecteur (DHP) peut être d'un type qui consomme plus d'énergie, mais sera actif pendant une courte période avant de revenir à un état inactif dans lequel seul le premier détecteur (DLP) est en activité. Le premier détecteur (DLP) est de toute manière d'un type utilisant peu d'énergie.
CA2693097A 2007-07-17 2008-07-16 Systeme de detecteur et procede pour detecter ou determiner un gaz specifique dans un melange de gaz Active CA2693097C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO20073690A NO327678B1 (no) 2007-07-17 2007-07-17 Detektorsystem og fremgangsmåte for å oppdage eller bestemme en spesifikk gass i en gassblanding
NO20073690 2007-07-17
PCT/NO2008/000267 WO2009011593A1 (fr) 2007-07-17 2008-07-16 Système de détecteur et procédé pour détecter ou déterminer un gaz spécifique dans un mélange de gaz

Publications (2)

Publication Number Publication Date
CA2693097A1 true CA2693097A1 (fr) 2009-01-22
CA2693097C CA2693097C (fr) 2016-08-16

Family

ID=40259828

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2693097A Active CA2693097C (fr) 2007-07-17 2008-07-16 Systeme de detecteur et procede pour detecter ou determiner un gaz specifique dans un melange de gaz

Country Status (11)

Country Link
US (1) US8373568B2 (fr)
EP (1) EP2167954B1 (fr)
CN (1) CN101796409B (fr)
BR (1) BRPI0814109A2 (fr)
CA (1) CA2693097C (fr)
DK (1) DK2167954T3 (fr)
ES (1) ES2652113T3 (fr)
MX (1) MX2010000583A (fr)
NO (1) NO327678B1 (fr)
RU (1) RU2466382C2 (fr)
WO (1) WO2009011593A1 (fr)

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US10859474B2 (en) * 2013-02-28 2020-12-08 TricornTech Taiwan Real-time on-site gas analysis network for ambient air monitoring and active control and response
CN105203268A (zh) * 2014-06-14 2015-12-30 广州威冷制冷科技有限公司 一种氨检漏法用检测条
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Also Published As

Publication number Publication date
NO327678B1 (no) 2009-09-07
WO2009011593A1 (fr) 2009-01-22
DK2167954T3 (da) 2018-01-29
RU2466382C2 (ru) 2012-11-10
BRPI0814109A2 (pt) 2015-02-03
CN101796409B (zh) 2013-03-27
EP2167954A1 (fr) 2010-03-31
US8373568B2 (en) 2013-02-12
US20100219960A1 (en) 2010-09-02
EP2167954A4 (fr) 2015-04-29
NO20073690L (no) 2009-01-19
EP2167954B1 (fr) 2017-11-01
CA2693097C (fr) 2016-08-16
RU2010105236A (ru) 2011-08-27
MX2010000583A (es) 2010-07-30
ES2652113T3 (es) 2018-01-31
CN101796409A (zh) 2010-08-04

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